Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1997-12-18
1999-05-11
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Rotary
310 43, 310 51, 310153, H02K21/38
Patent
active
059030798
ABSTRACT:
A rotor core is provided with a pole piece portion holding a magnet and a balance weight portion, wherein said hub fitting hole is inserted a metal hub having a tapered axis hole and part fitting portion so as to be fixed each other, and said rotor core is coated with synthetic resins, thereby the use of metal can be limited only to parts where mechanical strength is required so that the whole rotor weight can be reduced and can be assembled easily, and be allow various parts can be fitted stably, and the degradation of magnetic properties of the magnet can be prevented.
REFERENCES:
patent: 4710659 (1987-12-01), Takano et al.
Iwata Masao
Kitamura Yoshiki
Ohtake Shigeru
Bednarek Michael D.
Lam Thanh
Oppama Industry Co. Ltd.
Ramirez Nestor
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